Hypomorphy of graphs up to complementation

Jamel Dammak, Gérard Lopez, Maurice Pouzet +1

Let $V$ be a set of cardinality $v$ (possibly infinite). Two graphs $G$ and $G^{\prime }$ with vertex set $V$ are {\it isomorphic up to complementation} if $G^{\prime }$ is isomorphic to $G$ or to t…